| Model Year | 2011 | 2012 | |
| Model | Audi A8 | Infiniti FX | |
| Engine | 4.2L V8 DOHC-4v 372 hp@6800 328 lb-ft@3500 |
5.0L V8 DOHC-4v 390 hp@6500 369 lb-ft@4400 |
|
| Transmission | 8-speed shiftable automatic | 7-speed shiftable automatic | |
| Drivetrain | AWD | AWD | |
| Body | 4dr Sedan, ext. | 4dr SUV | |
| Difference | |||
| Wheelbase | 122.9 in | 113.6 in | 9.3 in |
| Length | 207.4 in | 191.3 in | 16.1 in |
| Width | 76.7 in | 75.9 in | 0.8 in |
| Height | 57.9 in | 65.0 in | -7.1 in |
| Curb Weight | 4453 lb. | 4557 lb. | -104 lb. |
| Fuel Capacity | 23.8 gal. | 23.8 gal. | 0 gal. |
| Headroom, Row 1 | 37.2 in | 39.3 in | -2.1 in |
| Shoulder Room, Row 1 | 59.1 in | 57.3 in | 1.8 in |
| Hip Room, Row 1 | 0.0 in | 54.9 in | -54.9 in |
| Legroom, Row 1 | 41.4 in | 44.7 in | -3.3 in |
| Headroom, Row 2 | 39.1 in | 38.5 in | 0.6 in |
| Shoulder Room, Row 2 | 57.8 in | 57.4 in | 0.4 in |
| Hip Room, Row 2 | 0.0 in | 54.2 in | -54.2 in |
| Legroom, Row 2 | 42.9 in | 34.6 in | 8.3 in |
| Total Legroom | 84.3 in (over 2 rows) | 79.3 in (over 2 rows) | 5 in |
| Cargo Volume, Minimum | 13.2 ft3 | 24.8 ft3 | -11.6 ft3 |
| Cargo Volume, Maximum | 13.2 ft3 | 62.0 ft3 | -48.8 ft3 |
None of our members have yet commented on the seat room and comfort of the 2011 Audi A8.
None of our members have yet commented on the seat room and comfort of the 2012 Infiniti FX.